Also known as Isla Marambio
Where: Antarctica (64.2° S, 56.7° W: paleocoordinates 62.6° S, 67.3° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Pachydiscus ultimus ammonoid zone, Lopez de Bertodano Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• Lopez de Bertodano Formation (‘‘molluscan units’’), unit ‘‘klb 9’’. Pachydiscus ultimus Biozone, upper Maastrichtian
•Lopez de Bertodano Formation is Late Maastricthian according to Crame et al. (2004)
• bed-level stratigraphic resolution
Environment/lithology: platform or shelf-margin reef; sandy shale
Size class: macrofossils
Collected by B. Zinsmeister, M. Reguero and A. Carlini in 1989; reposited in the MLP
Primary reference: J. P. O'Gorman, Z. Gasparini, and L. Salgado. 2013. Postcranial morphology of Aristonectes (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antarctica. Antarctic Science 25(1):71-82 [P. Mannion/P. Mannion/F. Aspromonte]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 140323: authorized by Philip Mannion, entered by Philip Mannion on 07.03.2013, edited by Graeme Lloyd
Creative Commons license: CC BY (attribution)
Taxonomic list
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Aristonectes cf. parvidens Cabrera 1941 elasmosaur MLP 89-III-3-2 (partial, articulated postcranial skeleton of a juvenile comprising the first pre-pectoral vertebra, three pectoral vertebrae, four dorsal vertebrae, left and right coracoid, proximal portion of the left scapula, radius, ulna, radiale, intermedium, ulnare, distal carpal I, ribs), MLP 89-III-3-1 (gastroliths)
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Kaikaifilu hervei n. gen. n. sp.
Kaikaifilu hervei n. gen. n. sp. Otero et al. 2017 mosasaur SGO.PV.6509, fragmentary skull and fragmentary humerus of a single specimen
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